diff -r 000000000000 -r 6474c204b198 ipc/ipdl/test/cxx/IPDLUnitTestProcessChild.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/ipdl/test/cxx/IPDLUnitTestProcessChild.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,32 @@
+/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/ipc/IOThreadChild.h"
+
+#include "IPDLUnitTestProcessChild.h"
+#include "IPDLUnitTests.h"
+
+#include "nsRegion.h"
+
+using mozilla::ipc::IOThreadChild;
+
+namespace mozilla {
+namespace _ipdltest {
+
+bool
+IPDLUnitTestProcessChild::Init()
+{
+    IPDLUnitTestChildInit(IOThreadChild::channel(),
+                          ParentHandle(),
+                          IOThreadChild::message_loop());
+
+    if (NS_FAILED(nsRegion::InitStatic()))
+      return false;
+
+    return true;
+}
+
+} // namespace _ipdltest
+} // namespace mozilla